content: /* ===========================================================
   * JFreeChart : a free chart library for the Java(tm) platform
   * ===========================================================
   *
   * (C) Copyright 2000-2012, by Object Refinery Limited and Contributors.
   *
   * Project Info:  http://www.jfree.org/jfreechart/index.html
   *
   * This library is free software; you can redistribute it and/or modify it
   * under the terms of the GNU Lesser General Public License as published by
   * the Free Software Foundation; either version 2.1 of the License, or
   * (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
   * License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
   * USA.
   *
   * [Oracle and Java are registered trademarks of Oracle and/or its affiliates.
   * Other names may be trademarks of their respective owners.]
   *
   * ---------------------
   * ValueMarkerTests.java
   * ---------------------
   * (C) Copyright 2003-2012, by Object Refinery Limited and Contributors.
   *
   * Original Author:  David Gilbert (for Object Refinery Limited);
   * Contributor(s):   -;
   *
   * Changes
   * -------
   * 18-Aug-2003 : Version 1 (DG);
   * 14-Jun-2004 : Renamed MarkerTests --> ValueMarkerTests (DG);
   * 01-Jun-2005 : Strengthened equals() test (DG);
   * 05-Sep-2006 : Added checks for MarkerChangeEvent generation (DG);
   * 26-Sep-2007 : Added test1802195() method (DG);
   * 08-Oct-2007 : Added test1808376() method (DG);
   * 17-Jun-2012 : Removed JCommon dependencies (DG);
   *
   */
  
  package org.jfree.chart.plot;
  
  import org.jfree.chart.event.MarkerChangeEvent;
  import org.jfree.chart.event.MarkerChangeListener;
  import org.jfree.chart.ui.LengthAdjustmentType;
  import org.jfree.chart.ui.RectangleAnchor;
  import org.jfree.chart.ui.RectangleInsets;
  import org.jfree.chart.ui.TextAnchor;
  import org.junit.jupiter.api.Test;
  
  import java.awt.BasicStroke;
  import java.awt.Color;
  import java.awt.Font;
  import java.awt.GradientPaint;
  import java.awt.Stroke;
  import java.io.ByteArrayInputStream;
  import java.io.ByteArrayOutputStream;
  import java.io.IOException;
  import java.io.ObjectInput;
  import java.io.ObjectInputStream;
  import java.io.ObjectOutput;
  import java.io.ObjectOutputStream;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertNotSame;
  import static org.junit.jupiter.api.Assertions.assertSame;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  /**
   * Tests for the {@link ValueMarker} class.
   */
  public class ValueMarkerTest
  
      implements MarkerChangeListener {
  
  
      MarkerChangeEvent lastEvent;
  
  
  
  
  
      /**
       * Confirm that the equals method can distinguish all the required fields.
       */
      @Test
      public void testEquals() {
  
          Marker m1 = new ValueMarker(45.0);
          Marker m2 = new ValueMarker(45.0);
          assertEquals(m1, m2);
          assertEquals(m2, m1);
  
          m1.setPaint(new GradientPaint(1.0f, 2.0f, Color.green,
                  3.0f, 4.0f, Color.RED));
          assertFalse(m1.equals(m2));
          m2.setPaint(new GradientPaint(1.0f, 2.0f, Color.green,
                  3.0f, 4.0f, Color.RED));
          assertEquals(m1, m2);
  
          BasicStroke stroke = new BasicStroke(2.2f);
          m1.setStroke(stroke);
          assertFalse(m1.equals(m2));
          m2.setStroke(stroke);
          assertEquals(m1, m2);
  
          m1.setOutlinePaint(new GradientPaint(4.0f, 3.0f, Color.yellow,
                  2.0f, 1.0f, Color.WHITE));
          assertFalse(m1.equals(m2));
          m2.setOutlinePaint(new GradientPaint(4.0f, 3.0f, Color.yellow,
                  2.0f, 1.0f, Color.WHITE));
          assertEquals(m1, m2);
  
          m1.setOutlineStroke(stroke);
          assertFalse(m1.equals(m2));
          m2.setOutlineStroke(stroke);
          assertEquals(m1, m2);
  
          m1.setAlpha(0.1f);
          assertFalse(m1.equals(m2));
          m2.setAlpha(0.1f);
          assertEquals(m1, m2);
  
          m1.setLabel("New Label");
          assertFalse(m1.equals(m2));
          m2.setLabel("New Label");
          assertEquals(m1, m2);
  
          m1.setLabelFont(new Font("SansSerif", Font.PLAIN, 10));
          assertFalse(m1.equals(m2));
          m2.setLabelFont(new Font("SansSerif", Font.PLAIN, 10));
          assertEquals(m1, m2);
  
          m1.setLabelPaint(new GradientPaint(1.0f, 2.0f, Color.BLUE,
                  3.0f, 4.0f, Color.yellow));
          assertFalse(m1.equals(m2));
          m2.setLabelPaint(new GradientPaint(1.0f, 2.0f, Color.BLUE,
                  3.0f, 4.0f, Color.yellow));
          assertEquals(m1, m2);
  
          m1.setLabelAnchor(RectangleAnchor.TOP_RIGHT);
          assertFalse(m1.equals(m2));
          m2.setLabelAnchor(RectangleAnchor.TOP_RIGHT);
          assertEquals(m1, m2);
  
          m1.setLabelTextAnchor(TextAnchor.BASELINE_RIGHT);
          assertFalse(m1.equals(m2));
          m2.setLabelTextAnchor(TextAnchor.BASELINE_RIGHT);
          assertEquals(m1, m2);
  
          m1.setLabelOffset(new RectangleInsets(10.0, 10.0, 10.0, 10.0));
          assertFalse(m1.equals(m2));
          m2.setLabelOffset(new RectangleInsets(10.0, 10.0, 10.0, 10.0));
          assertEquals(m1, m2);
  
          m1.setLabelOffsetType(LengthAdjustmentType.EXPAND);
          assertFalse(m1.equals(m2));
          m2.setLabelOffsetType(LengthAdjustmentType.EXPAND);
          assertEquals(m1, m2);
  
          m1 = new ValueMarker(12.3);
          m2 = new ValueMarker(45.6);
          assertFalse(m1.equals(m2));
          m2 = new ValueMarker(12.3);
          assertEquals(m1, m2);
  
      }
  
      /**
       * Confirm that cloning works.
       */
      @Test
      public void testCloning() throws CloneNotSupportedException {
          ValueMarker m1 = new ValueMarker(25.0);
          ValueMarker m2 = (ValueMarker) m1.clone();
          assertNotSame(m1, m2);
          assertSame(m1.getClass(), m2.getClass());
          assertEquals(m1, m2);
      }
  
     /**
       * Serialize an instance, restore it, and check for equality.
       */
      @Test
      public void testSerialization() throws IOException, ClassNotFoundException {
  
          ValueMarker m1 = new ValueMarker(25.0);
  
              ByteArrayOutputStream buffer = new ByteArrayOutputStream();
              ObjectOutput out = new ObjectOutputStream(buffer);
              out.writeObject(m1);
              out.close();
  
              ObjectInput in = new ObjectInputStream(
                      new ByteArrayInputStream(buffer.toByteArray()));
          ValueMarker m2 = (ValueMarker) in.readObject();
              in.close();
  
          boolean b = m1.equals(m2);
          assertTrue(b);
  
      }
  
      private static final double EPSILON = 0.000000001;
  
      /**
       * Some checks for the getValue() and setValue() methods.
       */
      @Test
      public void testGetSetValue() {
          ValueMarker m = new ValueMarker(1.1);
          m.addChangeListener(this);
          this.lastEvent = null;
          assertEquals(1.1, m.getValue(), EPSILON);
          m.setValue(33.3);
          assertEquals(33.3, m.getValue(), EPSILON);
          assertEquals(m, this.lastEvent.getMarker());
      }
  
      /**
       * Records the last event.
       *
       * @param event  the last event.
       */
      @Override
      public void markerChanged(MarkerChangeEvent event) {
          this.lastEvent = event;
      }
  
      /**
       * A test for bug 1802195.
       */
      @Test
      public void test1802195() throws IOException, ClassNotFoundException {
  
          ValueMarker m1 = new ValueMarker(25.0);
  
              ByteArrayOutputStream buffer = new ByteArrayOutputStream();
              ObjectOutput out = new ObjectOutputStream(buffer);
              out.writeObject(m1);
              out.close();
  
              ObjectInput in = new ObjectInputStream(
                      new ByteArrayInputStream(buffer.toByteArray()));
          ValueMarker m2 = (ValueMarker) in.readObject();
              in.close();
  
          assertEquals(m1, m2);
  
          m2.setValue(-10.0);
  
  
      }
  
      /**
       * A test for bug report 1808376.
       */
      @Test
      public void test1808376() {
          Stroke stroke = new BasicStroke(1.0f);
          Stroke outlineStroke = new BasicStroke(2.0f);
          ValueMarker m = new ValueMarker(1.0, Color.RED, stroke, Color.BLUE,
                  outlineStroke, 0.5f);
          assertEquals(1.0, m.getValue(), EPSILON);
          assertEquals(Color.RED, m.getPaint());
          assertEquals(stroke, m.getStroke());
          assertEquals(Color.BLUE, m.getOutlinePaint());
          assertEquals(outlineStroke, m.getOutlineStroke());
          assertEquals(0.5f, m.getAlpha(), EPSILON);
      }
  
  }
  